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Re: [Qemu-devel] [PATCH 3/4] virtio-net: Fix potential use-after-free
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From: |
Amit Shah |
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Subject: |
Re: [Qemu-devel] [PATCH 3/4] virtio-net: Fix potential use-after-free |
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Date: |
Wed, 27 Jul 2011 14:21:05 +0530 |
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User-agent: |
Mutt/1.5.21 (2010-09-15) |
On (Wed) 27 Jul 2011 [11:43:44], Michael S. Tsirkin wrote:
> On Wed, Jul 27, 2011 at 02:00:31PM +0530, Amit Shah wrote:
> > virtio_cleanup() will remove the VirtIONet struct that gets allocated
> > via virtio_common_init(). Ensure we don't dereference the structure
> > after calling the cleanup function.
> >
> > Signed-off-by: Amit Shah <address@hidden>
>
> I see. It's not a use after free but will be once
> you make virtio_cleanup free the vdev?
Yes, the next patch.
Amit
- [Qemu-devel] [PATCH 0/4] Fix virtio memleaks, Amit Shah, 2011/07/27
- [Qemu-devel] [PATCH 1/4] virtio-balloon: Add exit handler, fix memleaks, Amit Shah, 2011/07/27
- [Qemu-devel] [PATCH 2/4] virtio-blk: Fix memleak on exit, Amit Shah, 2011/07/27
- [Qemu-devel] [PATCH 3/4] virtio-net: Fix potential use-after-free, Amit Shah, 2011/07/27
- [Qemu-devel] [PATCH 4/4] virtio: Plug memleak by freeing vdev, Amit Shah, 2011/07/27
- Re: [Qemu-devel] [PATCH 0/4] Fix virtio memleaks, Michael S. Tsirkin, 2011/07/27